#include <fstream>
using namespace std;
ofstream fout("datorii.out");
ifstream fin("datorii.in");
int v[15001],n,m;
int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++) {fin>>v[i];v[i]+=v[i-1];}
    for(int i=1;i<=m;i++)
    {
        int test;
        fin>>test;
        if(test==1)
        {
            int a,b,suma=0;
            fin>>a>>b;
            fout<<v[b]-v[a-1]<<"\n";
        }
        else
        {
            int a,b;
            fin>>a>>b;
            for(int j=a;j<=n;j++) v[j]-=b;
        }
    }

}